Let S T be sets. Prove that S CT, if and only if, 25 C 2T. 9.10. Let S, T be sets. Prove that 23 n 21 = 2SNT.

Answers

Answer 1

First, let's prove that if S ⊂ T, then S ∩ T = S. Since S is a subset of T, all elements of S are also elements of T. Therefore when finding the intersection of S and T, we will only get elements that are in both sets, which are all the elements of S. So, S ∩ T = S.


Next, let's prove the converse, that if S ∩ T = S, then S ⊂ T. If S ∩ T = S, then all elements of S are in the intersection of S and T, meaning they are also in T. So, every element of S is also an element of T, which means S is a subset of T (S ⊂ T).

In response to the given question, the statement to be proved is S ⊆ CT if and only if 25 ⊆ 2T. It is also required to prove that 2³ ∩ 2¹ = 2S∩T. To prove the given statement, it is necessary to prove that S is a subset of CT if and only if 25 is a subset of 2T.

Let us consider the following cases:1) If S is a subset of CT, then for any element s of S, s is also present in CT. Therefore, s must be present in both C and T.2) If 25 is a subset of 2T, then any element x of 25 must be of the form 2t for some t in T.

Therefore, x must also belong to T, since 2 is not an element of T. Since 25 is a subset of 2T, any element of 25 must be of the form 2t for some t in T. Hence 25 ⊆ T.

The statement to be proved is 23 ∩ 21 = 2S∩T. The intersection of two sets, A and B, is defined as the set containing all elements that are common to both sets.

Using this definition, we can write:2³ ∩ 2¹ = {8, 2} Therefore, 2S∩T = {x | x ∈ S and x ∈ T}. Combining these two, we have:2³ ∩ 2¹ = 2S∩T = {8, 2}This proves that 23 ∩ 21 = 2S∩T. Therefore, the required statement has been proved.

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Related Questions

Answer me this please!

Knowing the absolute value of the numbers will help you determine which is closest to ________

Answers

Answer:

0

Step-by-step explanation:

absolute value disregards -/+

want to know what 6*500 is

Answers

Answer:3000

Step-by-step explanation:

3000 simple mathematics

List all the permutations of four objects m, I, n, and k taken two at a time without repetition. What is P? List all the permutations of four objects m, I, n, and k taken two at a time without repetition. Choose the correct answer below. O A. m, mn, mk, In, lk, nk OB. ml, mn, mk, Im, in, lk, nm, nl, nk, km, kl, kn OC. m. I, n,k OD. mm, ml, mn, mk, II, In, lk, nn, nk, kk What is P2?

Answers

The permutations of four objects m, I, n, and k taken two at a time without repetition are: mn, mk, mi, nm, nk, ni, km, kn, ki, in, im, ik.

P is the total number of permutations, which is equal to 12.

The correct answer is OB, which lists all 12 permutations.

P2 is the number of permutations taken two at a time with repetition allowed. This means that we can repeat the same object in a permutation.

There are 16 possible permutations with repetition allowed: mm, ml, mn, mk, ll, ln, lk, nn, nk, kk, ii, ik, nn, ni, nk.

Therefore, P2 is equal to 16.

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Need help finding the coordinate rule

Need help finding the coordinate rule

Answers

Answer:

(x,y) --> (x+5, y)

Step-by-step explanation:

You are moving the image 5 units to the right so you would add 5 to each x coordinate.

PLEASE HELP how many solutions does 4(4-x)+10x=30x-15-24x+31 have? AND WHY?!?!

Answers

Answer:

All values of x are solutions.

Step-by-step explanation:

Write the scalar equation of the plane with normal vector n=[1,2,1] and passing through the point (3,2,1). a. x+2y+z+8=0 c. 3x+2y+z−8=0 b. x+2y+z−8=0 d. 3x+2y+z+8=0

Answers

Therefore, the scalar equation of the plane with the normal vector n = [1, 2, 1] and passing through the point (3, 2, 1) is: b. x + 2y + z - 8 = 0.

To find the scalar equation of the plane with a normal vector n = [1, 2, 1] and passing through the point (3, 2, 1), we can use the general form of the equation for a plane:

Ax + By + Cz + D = 0,

where [A, B, C] is the normal vector of the plane and (x, y, z) represents any point on the plane.

Given n = [1, 2, 1] as the normal vector and (3, 2, 1) as a point on the plane, we can substitute these values into the equation to find the scalar equation.

Plugging in the values, we have:

1(x) + 2(y) + 1(z) + D = 0,

x + 2y + z + D = 0.

Now, to determine the value of D, we substitute the coordinates of the given point (3, 2, 1) into the equation:

3 + 2(2) + 1 + D = 0,

3 + 4 + 1 + D = 0,

8 + D = 0,

D = -8.

Substituting D = -8 back into the equation, we get:

x + 2y + z - 8 = 0.

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how many phone numbers can be made if all the digits (that is, 10 digits) need to be lled in and any single digit number (0-9) can be used for any digit?

Answers

There are 10,000,000,000 unique phone numbers that can be made with 10 digits using any single digit number (0-9) for each digit using combinations.

To determine how many phone numbers can be made with 10 digits, where any single digit number (0-9) can be used for any digit, follow these steps:

1. Understand that there are 10 possible digits (0-9) for each digit in the phone number.
2. Since there are 10 digits in the phone number, you need to calculate the total number of combinations by multiplying the number of possibilities for each digit.

To calculate this, simply raise the number of possible digits (10) to the power of the number of digits in the phone number (10):

10^10 = 10,000,000,000

So, there are 10,000,000,000 unique phone numbers that can be made with 10 digits using any single digit number (0-9) for each digit.

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In the number 15.42, how is the value of the digit "2" different from the value of the digit "2" in the number 12.54?

Answers

This I crazy
This is crazy

A customer selected a new wallet at a local department store that the salesperson said was made of the finest calfskin

Answers

If the customer sues for a refund The customer will prevail.

B The customer, because he had a reasonable time after purchase in which to inspect.

The customer prevailing due to a reasonable time for inspection: If the customer inspected the wallet promptly after purchase and discovered the defect, they might argue that they exercised reasonable diligence and promptly returned to the store to demand a refund. This could support their claim for a refund. The customer will prevail in the case. This is because the customer had a reasonable time after purchase in which to inspect the wallet purchased. The Uniform Commercial Code provides that in any sale of goods, a buyer has a reasonable opportunity to inspect the goods to determine their condition before accepting them.

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Question is incomplete the complete question is :

A customer selected a new wallet at a local department store that the salesperson said was made of the finest calfskin and was stitched by hand. The customer bought the wallet and left the store. A few moments later, he took out the wallet to transfer his cash and credit cards into it. On close inspection, he noticed a small nick in the leather. He immediately went back to the department store and demanded a refund. The salesperson refused.

If the customer sues for a refund, who will prevail?

A The customer, because there was a breach of contract.

B The customer, because he had a reasonable time after purchase in which to inspect.

C The department store, because the customer accepted the goods.

D The department store, because the customer did not give written notice of the breach.

The cone-shaped paper cup in Problem 2 is only half filled with water. So, the height of the water is 6cm and a diameter of the top surface of the water of 4cm. Calculate the volume of water. Use 3.14 for the value of pi.

Answers

The volume of water in the cone-shaped paper cup is 25.12 cubic centimeters.

To calculate the volume of water in the cone-shaped paper cup, we can use the formula for the volume of a cone:

V = (1/3) * π * r^2 * h

Given:

Height of water (h) = 6 cm

Diameter of the top surface of water (2r) = 4 cm

First, we need to find the radius (r) of the top surface of the water. Since the diameter is given as 4 cm, the radius is half of that:

r = 4 cm / 2 = 2 cm

Now we can substitute the values into the volume formula and calculate the volume of water:

V = (1/3) * 3.14 * (2 cm)^2 * 6 cm

V = (1/3) * 3.14 * 4 cm^2 * 6 cm

V = (1/3) * 3.14 * 24 cm^3

V = 25.12 cm^3.

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LOVE is a kite. LV and OE are diagonals. The segments DV = 9cm and LE = 15cm, and

Answers

The lengths of LV and OE are 15cm, and the lengths of LD and EV are 3√7 cm and 9/√7 cm, respectively.

Since LOVE is a kite, LV and OE are perpendicular bisectors of each other. Let the length of LD be x, and the length of EV be y. Then, we can use the Pythagorean theorem and the fact that the diagonals bisect each other to set up two equations:

x² + (LV/2)² = DV²/4

y² + (OE/2)² = LE²/4

Simplifying each equation and substituting the given values, we get:

x² + (LV/2)² = 81/4

y² + (OE/2)² = 225/4

We also know that the diagonals bisect each other, so we can set up another equation:

LV/2 + OE/2 = LO = VE

Substituting the given value for LE, we get:

LV/2 + OE/2 = 15

Solving this equation for one of the variables, we get:

LV = 30 - OE

Substituting this expression into the first equation above, we get:

x² + ((30 - OE)/2)² = 81/4

Simplifying and rearranging, we get:

OE² - 60OE + 675 = 0

Using the quadratic formula, we get:

OE = (60 ± √(3600 - 2700)) / 2

OE = 15 or 45

If OE = 15, then LV = 30 - 15 = 15, and we can solve for x and y:

x² + 7.5² = 81/4

y² + 7.5² = 225/4

Solving these equations, we get:

x = 3√7

y = 9/√7

If OE = 45, then LV = 30 - 45 = -15, which is impossible for a length. Therefore, the solution is:

LV = OE = 15

x = 3√7

y = 9/√7

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Complete question:

LOVE is a kite. LV and OE are diagonals. The segments DV = 9cm and LE = 15cm are given. Find the lengths of the other segments of the diagonals, DV, OE, and LV.

First peron to answer i will mark brainlest
The North Point High School cheerleading squad
needs $1250 in order to travel to the national
competition. They decide to hold a 3–day car
wash to raise the money.
Part A:
On Friday, the team raised $395.83. On Saturday,
the team raised $511.59. After these 2 days, how
much money had the team raised so far?
$__________
Part B:
After the car wash ended on Sunday, the team
discovered that they had raised a total of
$1294.77. Using the information you found in
Part A, how much did they earn on Sunday?

Answers

Answer:

$907.42$387.35

Step-by-step explanation:

Part AFriday - $395.83Saturday - $511.59

Total of 2 days

395.83 + 511.59 = $907.42Part B

Total of 3 days - $1294.77

Sunday

1294.77 - 907.42 = $387.35

What are the 5 transformations of a linear function?

Answers

The 5 transformations of a linear function are translation , reflection , dilation , vertical transformation and horizontal transformation.

In the question ,

we have to write the different types of transformation .

A transformation is defined as an alteration in the parent function’s graph .

there are basically 3 main types of transformations .

(i) the first type is Translations ,

the translation causes the graph to shift left, right, up, or down so many units.

(ii) the second type is Reflection ,

the Reflections cause the graph to rotate/flip over the x-axis or y-axis.

(iii) the third type is Dilation ,

In dilation the shape of a graph is changed by a certain factor. that is the graphs will look narrower or wider .

the other two transformations are

(iv) vertical transformation : it affects the y axis .

(v) horizontal transformation : it affects the x axis .

Therefore , the 5 types of transformation are explained above.

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Find the value of y.
(9x+42)
(15x)
(4y-13)

Find the value of y.(9x+42)(15x)(4y-13)

Answers

By using the concept of parallel lines, it is obtained

x = 7, y = 22

What is corrosponding angle?

At first we need to understood what is angle, parallel lines and transversal

Angle

When two straight lines intersect, an angle is formed. The point of intersection is called the vertex of the angle and the lines are called the arms of the angle.

Parallel lines

Two lines are said to be parallel if on extending them indefinitely, they will never intersect

Transversal

Transversal is a line that intersects two or more parallel lines

Alternate exterior angle

The angle formed on the same side of transversal when the transversal intersects two parallel lines.

Here,

\(9x + 42 = 105\\\) [Vertically opposite angle]

\(9x = 105 - 42\\9x = 63\\x = \frac{63}{9}\\x = 7\)

Angle next to \(4y - 13\) is \(15x\) [Corrosponding angle]

\(4y - 13 +15x = 180\) [ Angle on a straight line]

\(4y - 13 +15\times 7 = 180\\4y -13 + 105 = 180\\4y + 92 = 180\\4y = 180=92\\4y = 88\\y = \frac{88}{4}\\y = 22\)

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Solve for
16 – 2t = t +9

Answers

16 - 2t = t + 9
t = 7/3

What is complete angle Class 7?

Answers

The angle with the measure 360° is known as a complete angle. A complete angle is one full rotation measuring 360°.

When the final point coincides with the initial point, after one whole rotation, then the angle so created is known as the complete angle. A complete angle is also known as a full angle or a round angle.

The measure of a complete angle is equal to 2π radians = 360 degrees which is the central angle of a circle. Also, if we combine four right angles or two straight angles it makes a complete angle. A complete angle is identical to a zero angle but the difference is only the amount of rotation.

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What is the result of the product of 21 and x added to twice of 6?​

Answers

Answer:

21x + 12

Step-by-step explanation:

In math, it is

21x + 2(6).

so we have

21x + 2(6) = 21x + 12.

Mhanifa can you please help? This is due asap!

Mhanifa can you please help? This is due asap!

Answers

13. k=3/4       14. a=23

15. p= 5 1/2    16. x=13

17. m=56         18. n=1 1/2

Answer:

13)

9/8 = (k + 6)/6 8(k + 6) = 6*98k + 48 = 548k = 6k = 6/8k = 3/4

14)

2/10 = 4/(a - 3)a - 3 = 4*5a - 3 = 20a = 23

15)

10/(p + 2) = 4/34(p + 2) = 10*34p + 8 = 304p = 22p = 22/4p = 11/2

16)

4/6 = 8/(x - 1)4(x - 1) = 8*6x - 1 = 12x = 13

17)

m/8 = (m + 7)/ 99m = 8(m + 7)9m = 8m + 56m = 56

18)

n/(n + 1) = 3/55n = 3(n + 1)5n = 3n + 32n = 3n = 3/2

5x + 3 - 2x = 5. What is the value of x?

Answers

Answer:

x = 2/3

Step-by-step explanation:

5x + 3 - 2x = 5

3x = 5-3

3x = 2

x = 2/3

give brainliest please!

hope this helps :)

2/3 because if you take all of the numbers on the right and all of the x’s on the left you get 3x = 2. Which is x = 2/4

The ratio of dogs to cats are at the kennel is 3:2. there are 20 total dogs and cats at the kennel. how many dogs are at the kennel?

Answers

Answer:

12 dogs

Step-by-step explanation:

Ratios are scaleable, so let's look at all of the equivalent ratios of 3:2. However it needs to add up to 20 (the sum will be in parenthesis)

3:2 (Sum of 5)

6:4 (Sum of 10)

9:6 (Sum of 15)

12:8 (Sum of 20) ----> Correct Answer

factorize:-
x³–3x²–9x–5
no links or spam answers please!​

Answers

Answer:

X³ – 3x² – 9x – 5

= x³ + x² – 4x² – 4x – 5x – 5

= x²( x + 1) – 4x ( x + 1) – 5(x + 1)

= (x + 1)(x² – 4x – 5)

= (x + 1)(x² -5x + x – 5)

= (x + 1)(x – 5) (x + 1)

hence, (x +1), (x -5) and (x +1) are the factors of given polynomial .

Was this answer helpful?

Which is not the method that can be used to show congruency of two triangles?.

Answers

The method that cannot be used to show congruency of two triangles is the method of "angle-angle-angle" (AAA).

The AAA method states that if the corresponding angles of two triangles are congruent, then the triangles themselves are congruent. However, this method is not valid for proving congruency because it does not take into account the lengths of the sides of the triangles.

To prove congruency, we typically use one of the following valid methods:

Side-Side-Side (SSS): If the three sides of one triangle are congruent to the corresponding three sides of another triangle, then the triangles are congruent.

Side-Angle-Side (SAS): If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.

Angle-Side-Angle (ASA): If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.

Side-Angle-Angle (SAA): If two angles and a non-included side of one triangle are congruent to two angles and a non-included side of another triangle, then the triangles are not necessarily congruent. This method alone is not sufficient to prove congruency.

Therefore, the method that cannot be used to show congruency of two triangles is the Angle-Angle-Angle (AAA) method.

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where did Goku die nnnnnnnnnnnnnnnnnnnnnnnn

Answers

Answer:

Goku died you I just started watching

Jonathan has a comic book collection.
He tells you he sold half of them, but then bought 9 more new comics.
After this, Jonathan now has 81 comic books. How many comic books did he have before he sold some? a) Let b = the number of Jonathan had before selling some. Write the equation you would use to solve this problem.

Answers

144.
Ok so he bought 9, and now has 81. All we have to do is take 9 away from 81 again and then multiply it by 2.

Sketch one cycle of y = sin 2q.

Answers

Answer:

y = sin ( 2 x )

graph{sin(2x) [-10, 10, -5, 5]}

Step-by-step explanation:

y = − sin ( 2 x )

x = 0 , y = 0

x = π 4 , y = − 1

x = π 2 , y = 0

x= ( − π 4 ) , y = 1  

With these values, we can plot the graph.

Which of the following assessment types has the greatest effect on your overall grade?
A. Discussion
B. Quiz
C. Quick check
D. Test

Answers

Question: "Which of the following assessment types has the greatest effect on your overall grade?"

Answer: "Out of all the assessment types, 'tests' have the greatest effect on your overall grade as a student. Hence, Option D would be the best choice."

The  assessment types has the greatest effect on your overall grade is test.

The following information should be considered;

Here the test should have the highest impact on the overall grade. Since discussion, quiz and the quick check does not have much impact than the test.

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Sanji scored 125 points in the first round of a video game and 263 points in the second round. His total score after the third round was 557 points.
How many more points did Sanji score in the third round of the video game than in the first round?

Answers

Sanji scored 44 points more in the third round than in the first round.

Sanji scored 44 points more in third round as compared to the first round.

What is an Equation?

An equation is a mathematical statement that is formed when two algebraic expressions are equated using an equal sign.

Sanji score in the first round of video game is 125 points

Sanji score in the second round of video game is 263 points

Let Sanji's score in the third round of video game is x points

Total score is 557 points

The equation is

125+ 263+ x = 557

388 + x = 557

x = 169 points

As compared to the first round Sanji scored = 169 -125 = 44 points more

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How much do
Jennie sam if she
got 340 for
Babysitting, plus a
15% tip

Answers

First determine 15% of 340. Multiple 15 (as decimal) by 340.

0.15 x 340 = 51

Find the total amount she earns by adding these values.

51 + 340 = 391

Therefore, she will make $391.

the awenser is three

hundred and fifty five dolars

Match the correct figure to each label.

Match the correct figure to each label.

Answers

CD with the points at the end (like a number line) with the numbers C, D go in the last box.

The ones in forms of angles with the letters C, T, M in the first one

The correct figure matched to each label is given below.

What is an angle measure?

When two lines or rays intersect at a single point, an angle is created. The vertex is the term for the shared point. An angle measure in geometry is the length of the angle created by two rays or arms meeting at a common vertex.

Given:

We have 5 diagrams.

The first diagram represents the segment CD.

The second diagram represents a ray CD.

The angle measure of CTM is represented by the third diagram.

The angle measure of TCM is represented by the fifth diagram.

And the free line from the both sides CD is given in the fourth diagram.

The matched images are given in the attached image.

∠CTM = Image 1 (attached)

CD = Image 2 (attached)

Therefore, the matched images are given above.

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Match the correct figure to each label.
Match the correct figure to each label.

Find eight different simplified two-level gate circuits to realize
(a) F(w, x, y, z) = (x + y′ + z)(x′ + y + z)w
(b) F(a, b, c, d) = Σ m(4, 5, 8, 9, 13)

Answers

The different simplified two-level gate circuits are as follows:
F(a, b, c, d) = (a'c)(b'd) + (ac)(bd') + (ab'c') + (ab'd') + (a'b'c') + (a'b'd) + (a'bc') + (a'b'd')

(a) F(w, x, y, z) = (x + y′ + z)(x′ + y + z)w
From the expression F(w, x, y, z) = (x + y′ + z)(x′ + y + z)w, the truth table can be derived.

Then Karnaugh Maps (K-map) can be applied to make the equations smaller.

In order to make the equations smaller, there are eight different simplified two-level gate circuits that can be used.

K-Map for (a):

The K-Map above is created for the given function F(w, x, y, z). This K-Map is used to create Boolean equations using the following steps:
1. Combine 1’s wherever possible to get two terms of two variables.
2. There are eight possible combinations of two variable equations.
3. Put these two-variable equations with a common variable together to get four-variable equations.
4. Finally, use the K-Map again to create two-variable equations to use in two-level gate circuits.

The different simplified two-level gate circuits are as follows:

F(w, x, y, z) = (w'z)(xy') + (wz')(x'y)  + (wz)(x + y')  + (wx)(y + z')  + (wx')(y' + z)  + (wy)(x + z')  + (wy')(x' + z)  + (w'x'z)(y + z)

(b) F(a, b, c, d) = Σ m(4, 5, 8, 9, 13)
The given expression F(a, b, c, d) = Σ m(4, 5, 8, 9, 13) can be simplified by using Karnaugh Maps to make the equations smaller. There are eight different simplified two-level gate circuits that can be used for the simplified expressions. K-Map for (b):

The K-Map above is created for the given function F(a, b, c, d). This K-Map is used to create Boolean equations using the following steps:
1. Combine 1’s wherever possible to get two terms of two variables.
2. There are eight possible combinations of two variable equations.
3. Put these two-variable equations with a common variable together to get four-variable equations.
4. Finally, use the K-Map again to create two-variable equations to use in two-level gate circuits.

The different simplified two-level gate circuits are as follows:
F(a, b, c, d) = (a'c)(b'd) + (ac)(bd') + (ab'c') + (ab'd') + (a'b'c') + (a'b'd) + (a'bc') + (a'b'd')

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A 8.29g sample of calcium sulfide was decomposed into its constituent elements, producing 4.61g of calcium and 3.68g of sulfur. Which of the statements are consistent with the law of constant composition (definite proportions)?a. Every sample of calcium sulfide will have 44.4% mass of calcium.b. Every sample of calcium sulfide will have 2.86 g of calcium.c. The mass ratio of Ca to S in every sample of calcium sulfide is 1.25.d. The ratio of calcium to sulfur will vary based on how the sample was prepared.e. The mass percentage of calcium plus the mass percentage of sulfur in every sample of calcium sulfide equals 100%. 1. Which of the following phyla in the animal kingdom exhibit an asymmetrical body plan? choose all that apply a. placozoab.nematodac.arthropoda d.porifera The table shows the number of points Malik and Alexia scored while playing a video game together.The table is titled Video Game Scores. The table has two columns and three rows. The first column is labeled Malik's Score represented by m, the second column is labeled Alexia's Score represented by a. Malik scored sixty, Alexia scored ninety. Malik scored seventy, Alexia scored one hundred. Malik scored eighty, Alexia scored one hundred ten.Which equation relates Alexias score, a, to Maliks score, m Who gave Sancho the clues to figure out where William may be hiding? Which one of the following statements concerning intraosseous infusion in children is TRUE?a. Only crystalloid solutions may be safely infused through the needle.b. Aspiration of bone marrow confirms appropriate positioning of the needle.c. Intraosseous infusion is the preferred route for volume resuscitation in small children.d. Intraosseous infusion may be utilized indefinitely in the management of injured children.e. Swelling in the soft tissue around the intraosseous site is not a reason to discontinue infusion PLZ HELP!!!!!!!!! DUE TODAY Which of the following options correctly describe the structural characteristics of strong and weak bases? Select all that apply.Soluble hydroxides are strong bases.Compounds that contain electron-rich N are weak bases.Amines such as CH3CH2NH2 are weak bases. please give me answer very quickQuestion 30 of 30 -/2 E Current Attempt in Progress Pina Colada, Inc. is considering the purchase of a new machine for $580000 that has an estimated useful life of 5 years and no salvage value. The ma If you were to write one or two sentences that describes what you intend to accomplish during the course of your life, that would constitute your:a. Vision statementb.Mission statementc.Operational pland.Value statemente.Organizational objectives What were the similarities and differences between the federalists and democratic republicans? How many cells are in the human body? Edwin is deriving the equation of a line that passes through the origin. He has made the drawing below. Find the slope of the line two different ways:using the points A and B , andusing the points A and C .Explain why the two expressions you find must be equal. Use this to derive an equation for the line Edwin graphed. Show your work. In the development of throwing, trunk rotation in which the lower trunk and upper trunk rotate together, as a unit, is called ____________ rotation. Choose the correct future tense form of the verb in parentheses.T (venir) maanaA. vendrB. vendrsC. vendremosD. vendr. connect the elm device to the tablet connect the elm device to the vehicle turn the vehicle ignition on, but don't start the engine; in other words turn the key to position ii. Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction: Fe O2 Fe2O3 This equation is unbalanced. Which of the following is the correct balanced equation for this reaction? A. 4Fe 3O2 2Fe2O3 B. 3Fe 4O2 2Fe2O3 C. 2Fe 4O2 3Fe2O3 D. 3Fe 3O2 4Fe2O3 E. 4Fe 4O2 3Fe2O3. I need help plz can you do a Haiku Poetry! if two violin players can sing the 9th symphony in 12 minutes, how much time do 6 violin players need? why does sexual reproduction eliminate linkage disequilibrium? Gramatica B Present tense of verb -er and -ir verbs